Display device

Abstract

A display device includes a substrate that includes a bending area, a display active layer disposed on the substrate and that displays an image, a polarization layer disposed on the display active layer, a protective layer that contacts an end of the polarization layer and covers the bending area of the substrate; and an adhesive layer disposed on a boundary between the polarization layer and the protective layer, the adhesive layer extends from the end of the polarization layer toward the bending area by an extension area to overlap a portion of the protective layer.

What is claimed is: 
     
       1. A display device, comprising:
 a substrate that includes a first area, a second area, and a bending area disposed between the first area and the second area; 
 a display active layer disposed on the first area of the substrate and that displays an image; 
 a polarization layer disposed on the display active layer; 
 a protective layer that contacts an end of the polarization layer and covers the bending area and a part of the second area of the substrate; 
 an adhesive layer that has a first part that overlaps the polarization layer and a second part that extends from the end of the polarization layer toward the bending area to overlap a portion of the protective layer; and 
 a supporting member disposed under the substrate, and that has an opening that overlaps the bending area, 
 wherein the supportive member has a first portion that overlaps the polarization layer, and a second portion that extends from the end of the polarization layer toward the bending area and overlaps a portion of the protective layer, and 
 wherein the second part of the adhesive layer, the second part of the supporting member, and a part of protective layer overlap each other. 
 
     
     
       2. The display device of  claim 1 , wherein an overlapping area of the second part of the adhesive layer, the second part of the supporting member, and the part of protective layer ranges from 50 μm to 300 μm in width. 
     
     
       3. The display device of  claim 1 , wherein the first area where the display active layer is disposed is a display area, and the second area and the bending area are a non-display area. 
     
     
       4. The display device of  claim 1 , wherein the protective layer contacts an end of the display active layer. 
     
     
       5. The display device of  claim 1 , further comprising:
 a laminated member disposed on the adhesive layer, 
 wherein the laminated member is also disposed on an overlapping area of the second part of the adhesive layer, the second part of the supporting member, and the part of protective layer. 
 
     
     
       6. The display device of  claim 5 , wherein the laminated member is a touch panel. 
     
     
       7. The display device of  claim 5 , wherein the laminated member includes a cover window. 
     
     
       8. The display device of  claim 1 , wherein the adhesive layer includes an optically clear adhesive. 
     
     
       9. The display device of  claim 1 , further comprising:
 a second adhesive layer that attaches the display active layer and the polarization layer. 
 
     
     
       10. The display device of  claim 9 , wherein the second adhesive layer includes an optically clear adhesive. 
     
     
       11. The display device of  claim 1 , further comprising:
 a flexible printed circuit film that has a side attached to the second area of the substrate. 
 
     
     
       12. The display device of  claim 11 , further comprising,
 a driving circuit portion disposed on the flexible printed circuit film. 
 
     
     
       13. The display device of  claim 12 , further comprising:
 a printed circuit board connected to another side of the flexible printed circuit film. 
 
     
     
       14. The display device of  claim 1 , wherein a thickness of the protective layer ranges from 100 μm to 150 μm. 
     
     
       15. The display device of  claim 1 , wherein the substrate includes at least one of polyimide (PI), polyethylene naphthalate (PEN), polycarbonate (PC), polyarylate (PAR), polyether imide (PEI), or polyether sulfone (PES). 
     
     
       16. The display device of  claim 1 , wherein the display active layer includes:
 a buffer layer disposed, on the substrate; 
 a semiconductor layer disposed on the hurler layer, and that includes a channel region of a transistor; 
 a gate insulating layer disposed on the semiconductor layer; 
 a gate conductor disposed on the gate insulating layer and that includes a gate electrode of the transistor; 
 a first insulating layer disposed on the gate conductor; 
 a data conductor disposed on the first insulating layer; 
 a second insulating layer disposed on the data conductor; 
 a pixel electrode disposed on the second insulating layer; 
 an emission layer disposed on the pixel electrode, and 
 a common electrode disposed on the emission layer. 
 
     
     
       17. The display device of  claim 16 , wherein the gate insulating layer and the first insulating layer include an inorganic insulating material, and the second insulating layer includes an organic insulating material. 
     
     
       18. The display device of  claim 16 , wherein the display active layer further includes:
 a pixel defining layer disposed on the second insulating layer and that has an opening that overlaps the pixel electrode, and 
 an encapsulation layer disposed on the common electrode. 
 
     
     
       19. The display device of  claim 18 , further comprising:
 a touch sensor layer disposed on the encapsulation layer, 
 wherein the touch sensor layer includes touch electrodes that have a single layer or a multiple layers. 
 
     
     
       20. The display device of  claim 16 , wherein the pixel electrode, the emission layer, and the common electrode CE forms a light emitting diode,
 the pixel electrode is an anode of the light emitting diode, and 
 the common electrode is a cathode of the light emitting diode.